<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>九九乘法表</title>
		<style>
			td{
				border:1px solid blue;
			}
		</style>
		<script>
			document.write("<table align='center'>");
		
			//完成基本的for循环嵌套，展示乘法表
			for (var i = 1;i<=9;i++) {
				document.write("<tr>");
				for (var j=1;j<=i;j++) {
					document.write("<td>");
					document.write(i+"*"+j+"="+i*j+"&nbsp;&nbsp;&nbsp;")
					document.write("</td>");
				}
				/*//输出换行
				document.write("<br />");*/
				
				document.write("</tr>");
			}
			
			//2、完成表格的嵌套
			document.write("</table>");
		</script>
	</head>
	<body>
	</body>
</html>
